research What Ages Hair?
Hair aging and loss are caused by genetics, hormones, environment, and grooming, with treatments like minoxidil effective for certain types of hair loss.
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research Environmental and Cosmetic Factors in Hair Loss and Damage
Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.
research Prolactin Signaling Influences the Timing Mechanism of the Hair Follicle: Analysis of Hair Growth Cycles in Prolactin Receptor Knockout Mice
Prolactin affects when mice shed and grow hair.
research Melatonin Promotes Cashmere Goat (Capra Hircus) Secondary Hair Follicle Growth: A View from Integrated Analysis of Long Non-Coding and Coding RNAs
Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.
research Variation in Human Hair Ultrastructure Among Three Biogeographic Populations
Different populations have distinct hair structures related to their ancestry.
research Size Polymorphisms in the Human Ultrahigh Sulfur Hair Keratin-Associated Protein 4, KAP4, Gene Family
The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
research Prolactin Signaling Influences the Timing Mechanism of the Hair Follicle: Analysis of Hair Growth Cycles in Prolactin Receptor Knockout Mice
Prolactin affects when mice shed and grow hair.
research Disrupted Cholesterol Biosynthesis and Hair Follicle Stem Cell Impairment in the Onset of Alopecia
Disrupted cholesterol production impairs hair follicle stem cells, leading to hair loss.
research Age, Health, and Attractiveness Perception of Virtual Human Hair
Hair style affects perceptions of age, health, and attractiveness more than hair color does.
research Perspectives and Challenges of Hair Analysis
Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
research Effects of Hair Fibers on Braking Friction Materials
Adding 1% hair fibers to brake materials improves friction and wear, making them more effective.
research Differences in Expression of Specific Biomarkers Distinguish Human Beard from Scalp Dermal Papilla Cells
Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
research Hair Physiology and Its Disorders
Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.
research The Basic Science of Hair Biology
Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.
research Hair, Human Evolution, And The Idea Of Human Uniqueness
Human hair is unique and important for understanding human evolution and identity.
research Physical Characterization of the Hair of Mexican Women
Mexican women's hair is between Asian and Caucasian hair in thickness and shape, with varied strength and some damage.
research Structural Analysis of Human Hair Fibers Under the Ultra-High Voltage Electron Microscope
Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
research Organization and Expression of Hair Follicle Genes
Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
research Structural Features of the Alpha-Type Filaments of the Inner Root Sheath Cells of the Guinea Pig Hair Follicle
α-type filaments in guinea pig hair follicles have unique structural features.
research Hair and Scalp Disorders in Women of African Descent: An Overview
The document concludes that clinicians should be aware of common hair and scalp disorders in women of African descent and that more research is needed to develop effective treatments.
research Promotion Effect of Apo-9'-Fucoxanthinone from Sargassum Muticum on Hair Growth via the Activation of Wnt/β-Catenin and VEGF-R2
Sargassum muticum extract and its component apo-9'-fucoxanthinone may help hair growth and treat hair loss.
research In Vitro Assembly Properties of Human Type I and II Hair Keratins
Different combinations of human hair keratins affect how hair fibers form.
research Pohl-Pinkus Constrictions of Hair Following Chemotherapy for Hodgkin's Disease
Chemotherapy caused the patient's hair to have alternating thick and thin segments.
research Donor Site Assessment for Female Hairline Restoration in Southeast Asians
The study found that most donor sites are good for hairline restoration in Southeast Asian women, but hair characteristics should match for a natural look, and aging can reduce hair density and diameter.
research Hair Tourniquet Syndrome Involving the Uvula Secondary to an Airway Foreign Body
Prompt diagnosis and treatment of hair tourniquet syndrome involving the uvula are crucial to prevent severe complications.
research Clinical and Instrumental Characterization of Hair and Scalp Aging in Nonbalding Caucasian Women
Aging significantly affects the hair and scalp of nonbalding Caucasian women, with changes that differ from male pattern baldness.
research Cosmetic Approach for Healthy and Damaged Hair
Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
research Molecular Control of Epithelial-Mesenchymal Interactions During Hair Follicle Cycling
Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.
research The Human Hair: From Anatomy to Physiology
The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
research Effect of Varied Hair Protein Fractions on the Gel Properties of Keratin/Chitosan Hydrogels for Use in Tissue Engineering
Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.